28177980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{8861}}^1$

素因数の和:8926

約数の個数: 48

約数和(自身を含む): 80396064

約数和(自身を除く): 52218084

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 53, 60, 106, 159, 212, 265, 318, 530, 636, 795, 1060, 1590, 3180, 8861, 17722, 26583, 35444, 44305, 53166, 88610, 106332, 132915, 177220, 265830, 469633, 531660, 939266, 1408899, 1878532, 2348165, 2817798, 4696330, 5635596, 7044495, 9392660, 14088990, 28177980]

約数ペア:

[(1, 28177980), (2, 14088990), (3, 9392660), (4, 7044495), (5, 5635596), (6, 4696330), (10, 2817798), (12, 2348165), (15, 1878532), (20, 1408899), (30, 939266), (53, 531660), (60, 469633), (106, 265830), (159, 177220), (212, 132915), (265, 106332), (318, 88610), (530, 53166), (636, 44305), (795, 35444), (1060, 26583), (1590, 17722), (3180, 8861)]